Hi,

Drug can be linked to the stent surface, or encapsulated and released from a polymeric DDS.

Fattori R, Piva T. Drug-eluting stents in vascular intervention. Lancet. 2003;361:247–249.

You can use an electrophoretic deposition technique for DDS such as nanoparticles

http://journal.kcsnet.or.kr/main/j_search/j_download.htm?code=B070309

Best regards,

Thanks  Giles.

It is very important your answer. I will take it in count.